Manhattan / Bathroom

Bathroom Renovation Contractor in Manhattan, NYC

A considered bathroom renovation plan for Manhattan condos, co-ops, and apartments, with building requirements and licensed-professional coordination in view.

Company estimates

Bathroom renovation cost in Manhattan.

01 / Cosmetic refresh

$25K–$35K

Limited scope.

02 / Full renovation

$35K–$75K

The most common scope.

03 / Luxury build

$75K–$110K+

Custom details and heavier plumbing scope.

Cost drivers include bathroom size, fixture tier, tile complexity, plumbing scope such as valves, risers, and relocations, electrical and ventilation work, building requirements, DOB filing needs, and timeline.

Wet areas / finishes

Performance lives beneath the finish.

Waterproofing

Use liquid or sheet membranes such as RedGard or Schluter systems in all wet areas. Flood test before tile. Use linear drains where building conditions allow and custom shower pans for pre-war bathrooms.

Showers and tile

Use frameless glass walk-ins sized to the space, with matte black or brushed nickel fixtures. Marble-look porcelain in large formats of 12×24 or larger minimizes grout lines and performs in NYC’s humid climate and hard water.

Vanity and storage

Floating wall-mounted designs expose the floor, simplify cleaning, and allow radiant floor heating in full upgrades. Use quartz countertops and double-vanity sink spacing for code and comfort.

ILLUSTRATIVE EXAMPLES

AI-generated illustration of a material board and renovation blueprintsAI-generated illustration. Not a completed Corniel project.
AI-generated illustration. Not a completed Corniel project.

COMPLETED CORNIEL PROJECTS

Bathroom pressure-test process visual during verified construction work
Verified Corniel Work — process documentationBathroom pressure-test / visible process.

Manhattan logistics

A clean site is part of the renovation.

Use zippered dust barriers, HEPA-filtered vacuums, and continuous air scrubbers. Reserve the service elevator and schedule deliveries according to building rules and work hours.

Deliver COIs to building management. Carry full GL and workers’ comp. List the board or management as Additional Insured when required.

We help coordinate filings through licensed professionals when required.

Use neighbor notification letters and provide weekly progress reports on request.

Final approvals are determined by the building, board, or applicable agency.

The process

From feasibility to closeout.

01

Consultation & Feasibility

Review riser and stack locations and venting.

02

Design, Selections & Approvals

Coordinate board packages, COIs, drawings, and DOB filings with licensed professionals.

03

Demo, Rough-Ins & Waterproofing

Complete demolition, rough-ins, and a flood test before tiling.

04

Finishes & Closeout

Complete inspections, the punch list, and closeout documentation.

Bathroom FAQ

Questions that shape the plan.

When are permits required?

Plumbing relocation may require DOB filings depending on the scope of work and the determination of the licensed design professional and applicable agency requirements.

What is an alteration agreement?

It is a legally binding contract between the shareholder and the co-op corporation that outlines what you can and cannot do, how work must be performed, and penalties for non-compliance.

Read the board approvals & alteration agreements guide ↗

What does a luxury bathroom renovation cost?

A luxury build with custom details and heavier plumbing scope is typically estimated at $75K–$110K+.

Can a wet area move over a dry area?

Use the NYC wet-over-dry guide to review the building policy, stack locations, exceptions, and the unit below before treating a bathroom layout as final.

Read the NYC wet-over-dry guide ↗

How long does construction take?

Construction is typically 3–6 weeks, plus approvals, permits, elevator scheduling, and inspections.

What is the difference between cosmetic and gut renovation?

A gut renovation goes to the studs and includes new plumbing, waterproofing, and finishes.

Manhattan bathroom consultation

Start with the building requirements.

Bring the bathroom scope, the building rules, and the approval questions.